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Scientific AnglersSonar Sink 25 Cold Fly Line

Scientific AnglersSonar Sink 25 Cold Fly Line


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3.5 out of 5 stars
2 Reviews

Sonar Sink 25 Cold Fly Line

When that big meat-eating brown refuses to go after your fly, take your fly to him with the Scientific Anglers Sonar Sink 25 Cold Fly Line. This sink tip line has a fast-sinking 25-foot head that puts your streamer down fast, so even the most selective fish will have a hard time refusing such an easy meal.


  • 25-foot fast sinking head
  • Floating running line
  • Shooting Technology Plus
  • Braided multifilament core
  • Welded loops
  • Scientific Anglers Line Identification markings
  • Item #SAS001M

Tech Specs

braided multifilament core
Overall Length
105 ft
Fly Line Weight
[4-6 wt] 150 grains, [5-7 wt] 200 grains, [6-8 wt] 250 grains, [7-9 wt] 300 grains, [8-10 wt] 350 grains
Fly Line Type
sink tip
Sink Rate
4 - 8 ips
Front End Loop
Back End Loop
Recommended Use
fly fishing

Overall Rating

3.5 based on 2 ratings

Review Summary

5 Stars - 0 reviews
4 Stars - 1 reviews
3 Stars - 1 reviews
2 Stars - 0 reviews
1 Stars - 0 reviews

Fits Small

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